2.9.0

Various fixes & improvements

• ref(transport): Improve event data category typing (#3243) by @szokeasaurusrex
• ref(tracing): Improved handling of span status (#3261) by @antonpirker
• test(client): Add tests for dropped span client reports (#3244) by @szokeasaurusrex
• test(transport): Test new client report features (#3244) by @szokeasaurusrex
• feat(tracing): Record lost spans in client reports (#3244) by @szokeasaurusrex
• test(sampling): Replace custom logic with capture_record_lost_event_calls (#3257) by @szokeasaurusrex
• test(transport): Non-order-dependent discarded events assertion (#3255) by @szokeasaurusrex
• test(core): Introduce capture_record_lost_event_calls fixture (#3254) by @szokeasaurusrex
• test(core): Fix non-idempotent test (#3253) by @szokeasaurusrex